"""Power-on behaviour of a ninlight lamp."""

from __future__ import annotations

from homeassistant.components.select import SelectEntity
from homeassistant.const import EntityCategory
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback

from .coordinator import NinlightConfigEntry, NinlightCoordinator
from .entity import NinlightEntity

PARALLEL_UPDATES = 0

# POB_NAMES in the firmware's nl_api.c
POWER_ON_OPTIONS = ["last", "on", "off"]


async def async_setup_entry(
    hass: HomeAssistant,
    entry: NinlightConfigEntry,
    async_add_entities: AddConfigEntryEntitiesCallback,
) -> None:
    async_add_entities([NinlightPowerOnSelect(entry.runtime_data)])


class NinlightPowerOnSelect(NinlightEntity, SelectEntity):
    """What the lamp does when power returns."""

    _attr_entity_category = EntityCategory.CONFIG
    _attr_translation_key = "power_on_behaviour"
    _attr_options = POWER_ON_OPTIONS

    def __init__(self, coordinator: NinlightCoordinator) -> None:
        super().__init__(coordinator, "power_on_behaviour")

    @property
    def current_option(self) -> str | None:
        value = self.coordinator.data.state.get("power_on_behaviour")
        return value if value in POWER_ON_OPTIONS else None

    async def async_select_option(self, option: str) -> None:
        await self.coordinator.async_set_state(power_on_behaviour=option)